:root {
  --ivory: #faf7f0;
  --paper: #fffdf8;
  --navy: #1b2a4a;
  --navy-soft: #2e4470;
  --ink: #23252b;
  --crimson: #8c2f39;
  --gold: #b08d3e;
  --line: #ded7c6;
  --ok: #2e7d4f;
  --warn: #b07818;
  --bad: #b03434;
  --serif: Georgia, "Times New Roman", serif;
  --sans: "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--ivory);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
}

.sc { font-variant: small-caps; letter-spacing: 0.01em; }
.hidden { display: none !important; }
.muted { color: #6b6a63; }
.small { font-size: 0.88rem; }
.row { display: flex; align-items: center; }
.gap { gap: 0.6rem; }

/* ---------- top bar ---------- */
.topbar {
  display: flex; align-items: center; gap: 1.2rem; flex-wrap: wrap;
  background: var(--navy); color: #f4efe2;
  padding: 0.55rem 1.2rem;
  position: sticky; top: 0; z-index: 50;
  box-shadow: 0 2px 8px rgba(20, 25, 40, 0.35);
}
.brand { display: flex; align-items: baseline; gap: 0.45rem; cursor: pointer; }
.brand-mark {
  font-family: var(--serif); font-size: 1.5rem; color: var(--gold);
  border: 1px solid var(--gold); border-radius: 6px; padding: 0 0.45rem;
}
.brand-name { font-family: var(--serif); font-size: 1.18rem; font-weight: bold; }
.brand-sub { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.12em; color: #c8bfa6; }
.topnav { display: flex; gap: 0.2rem; flex-wrap: wrap; }
.topnav button {
  background: none; border: none; color: #e8e2d2; font: inherit;
  padding: 0.35rem 0.7rem; border-radius: 6px; cursor: pointer;
}
.topnav button:hover { background: var(--navy-soft); }
.topnav button.active { background: var(--navy-soft); color: #fff; }
.style-toggle { margin-left: auto; display: flex; align-items: center; gap: 0.4rem; font-size: 0.85rem; }
.seg {
  border: 1px solid #5b6b8e; background: none; color: #cfd6e4;
  font: inherit; font-size: 0.83rem; padding: 0.25rem 0.65rem; cursor: pointer;
}
.seg:first-of-type { border-radius: 6px 0 0 6px; }
.seg:last-of-type { border-radius: 0 6px 6px 0; margin-left: -1px; }
.seg.on { background: var(--gold); border-color: var(--gold); color: #21283b; font-weight: 600; }

/* ---------- screens ---------- */
#screens { max-width: 1060px; margin: 0 auto; padding: 1.6rem 1.2rem 3rem; }
.screen h2 { font-family: var(--serif); color: var(--navy); margin: 0.4rem 0 1rem; }

.hero { text-align: center; margin: 1.8rem auto 2.2rem; max-width: 760px; }
.hero h1 { font-family: var(--serif); color: var(--navy); font-size: 2rem; margin-bottom: 0.6rem; }
.lede { color: #585850; font-size: 1.05rem; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1rem; }
.card {
  background: var(--paper); border: 1px solid var(--line); border-radius: 10px;
  padding: 1.1rem 1.2rem; cursor: pointer; transition: transform 0.08s, box-shadow 0.08s;
}
.card:hover { transform: translateY(-2px); box-shadow: 0 4px 14px rgba(60, 50, 30, 0.12); border-color: var(--gold); }
.card h3 { margin: 0 0 0.4rem; font-family: var(--serif); color: var(--crimson); }
.card p { margin: 0; color: #5d5c55; font-size: 0.92rem; }

/* ---------- setup ---------- */
.setup-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.1rem; }
.setup-block { background: var(--paper); border: 1px solid var(--line); border-radius: 10px; padding: 0.9rem 1rem; }
.setup-block h4 { margin: 0 0 0.55rem; color: var(--navy); }
.chiprow { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 0.4rem; }
.chip {
  border: 1px solid var(--line); background: #f3eee1; border-radius: 999px;
  padding: 0.28rem 0.8rem; font: inherit; font-size: 0.86rem; cursor: pointer; color: #4c4b44;
}
.chip.on { background: var(--navy); border-color: var(--navy); color: #f5f1e4; }
.chip.bponly::after { content: " ⚖"; }
.checkrow { display: flex; gap: 0.45rem; align-items: center; font-size: 0.9rem; margin-top: 0.4rem; }
.setup-note { color: #6b6a63; font-size: 0.86rem; min-height: 1.2em; }
.btn {
  border: 1px solid var(--navy); background: var(--paper); color: var(--navy);
  font: inherit; padding: 0.45rem 1.1rem; border-radius: 8px; cursor: pointer;
}
.btn:hover { background: #efe9da; }
.btn.primary { background: var(--navy); color: #f5f1e4; }
.btn.primary:hover { background: var(--navy-soft); }
.btn.big { font-size: 1.05rem; padding: 0.6rem 1.6rem; margin-top: 1rem; }
.btn.ghost { border-color: transparent; background: none; color: #6b6a63; }
.btn.ghost:hover { color: var(--crimson); }
.btn.small { font-size: 0.82rem; padding: 0.25rem 0.7rem; }

/* ---------- quiz ---------- */
.quiz-head { display: flex; align-items: center; gap: 1rem; }
.quiz-progress { font-weight: 600; color: var(--navy); }
.quiz-timer {
  font-variant-numeric: tabular-nums; font-weight: 700; color: var(--crimson);
  border: 1px solid var(--crimson); padding: 0.1rem 0.6rem; border-radius: 6px;
}
.quiz-timer.low { background: var(--crimson); color: #fff; }
.quiz-head .ghost { margin-left: auto; }
.quiz-meta { margin: 0.4rem 0 0.8rem; font-size: 0.85rem; color: #6b6a63; }
.quiz-meta .tag {
  display: inline-block; background: #ece5d3; border-radius: 4px;
  padding: 0.05rem 0.5rem; margin-right: 0.35rem; color: #50503f;
}

.packet {
  background: var(--paper); border: 1px solid var(--line); border-left: 4px solid var(--gold);
  border-radius: 8px; padding: 0.9rem 1.1rem; font-family: var(--serif);
}
.packet h5 {
  margin: 0 0 0.5rem; font-family: var(--sans); text-transform: uppercase;
  letter-spacing: 0.1em; font-size: 0.7rem; color: var(--gold);
}
.packet table { border-collapse: collapse; width: 100%; }
.packet td { padding: 0.18rem 0.5rem 0.18rem 0; vertical-align: top; font-size: 0.97rem; }
.packet td.k { width: 175px; font-family: var(--sans); font-size: 0.8rem; color: #847e6c; text-transform: uppercase; letter-spacing: 0.04em; padding-top: 0.28rem; }
.packet .quoteblock {
  margin: 0.55rem 0 0.1rem; padding: 0.55rem 0.8rem; background: #f5f0e3;
  border-left: 3px solid var(--crimson); font-size: 1rem;
}
.packet .pgmark { color: var(--crimson); font-weight: bold; font-family: var(--sans); font-size: 0.8rem; }
.packet .capline { display: block; }
.fictbadge {
  display: inline-block; font-family: var(--sans); font-size: 0.68rem; font-weight: 700;
  background: #b03434; color: #fff; border-radius: 4px; padding: 0.05rem 0.45rem; letter-spacing: 0.05em;
}

.prompt { margin: 0.9rem 0; font-size: 1.02rem; }
.prompt strong { color: var(--crimson); }

.fn-context {
  background: #f1ecdd; border: 1px dashed #c9bfa4; border-radius: 8px;
  padding: 0.7rem 1rem; margin-bottom: 0.9rem; font-size: 0.95rem;
}
.fn-context .fn { font-family: var(--serif); margin: 0.2rem 0; }
.fn-context .fn b { color: var(--crimson); font-family: var(--sans); font-size: 0.8rem; }

/* ---------- editor ---------- */
.answer-area { margin-top: 0.6rem; }
.toolbar { display: flex; gap: 0.3rem; margin-bottom: -1px; }
.toolbar button {
  border: 1px solid var(--line); border-bottom: none; background: #f0ead9;
  font: inherit; min-width: 2.2rem; padding: 0.25rem 0.55rem;
  border-radius: 6px 6px 0 0; cursor: pointer; color: var(--navy);
}
.toolbar button:hover { background: #e6dfc8; }
.editor {
  background: #fff; border: 1px solid #c9c2ae; border-radius: 0 8px 8px 8px;
  min-height: 3.2rem; padding: 0.7rem 0.9rem;
  font-family: var(--serif); font-size: 1.08rem; line-height: 1.7;
}
.editor:focus { outline: 2px solid var(--navy-soft); }
.editor i, .editor em { font-style: italic; }
.answer-actions { display: flex; align-items: center; gap: 0.8rem; margin-top: 0.55rem; justify-content: flex-end; }
.answer-actions .hint { color: #97917f; font-size: 0.8rem; margin-right: auto; }

/* ---------- feedback ---------- */
.feedback { margin-top: 1.1rem; border-radius: 10px; border: 1px solid var(--line); background: var(--paper); padding: 1rem 1.2rem; }
.scorebar { display: flex; align-items: center; gap: 0.8rem; margin-bottom: 0.7rem; }
.scorebadge {
  font-size: 1.15rem; font-weight: 800; padding: 0.25rem 0.85rem; border-radius: 8px; color: #fff;
  font-variant-numeric: tabular-nums;
}
.scorebadge.s-good { background: var(--ok); }
.scorebadge.s-mid { background: var(--warn); }
.scorebadge.s-bad { background: var(--bad); }
.scoreword { font-family: var(--serif); font-size: 1.05rem; color: var(--navy); font-weight: bold; }
.cmp { font-family: var(--serif); font-size: 1.05rem; margin: 0.45rem 0; padding: 0.5rem 0.75rem; border-radius: 6px; }
.cmp-label { font-family: var(--sans); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: #847e6c; display: block; margin-bottom: 0.15rem; }
.cmp.yours { background: #faf4f2; border: 1px solid #e6d3cd; }
.cmp.correct { background: #f2f7f0; border: 1px solid #cfe0cb; }
.tok-bad { background: #f6d4d4; border-bottom: 2px solid var(--bad); border-radius: 2px; }
.tok-fmt { background: #fbeccc; border-bottom: 2px dotted var(--warn); border-radius: 2px; }
.tok-miss { color: var(--bad); font-weight: bold; }
.errlist { margin: 0.6rem 0 0.2rem; padding-left: 1.2rem; }
.errlist li { margin: 0.3rem 0; font-size: 0.94rem; }
.errlist .rref { color: var(--navy-soft); font-size: 0.8rem; font-weight: 600; white-space: nowrap; }
.planted { margin-top: 0.7rem; }
.planted h6 { margin: 0 0 0.3rem; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; color: #847e6c; }
.perfect-note { color: var(--ok); font-weight: 600; }

/* ---------- results ---------- */
.results-summary { display: flex; gap: 1.4rem; flex-wrap: wrap; margin-bottom: 1.2rem; }
.bigstat { background: var(--paper); border: 1px solid var(--line); border-radius: 10px; padding: 0.8rem 1.3rem; text-align: center; }
.bigstat .n { font-size: 1.9rem; font-weight: 800; color: var(--navy); font-variant-numeric: tabular-nums; }
.bigstat .l { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.07em; color: #847e6c; }
.results-list .ritem { background: var(--paper); border: 1px solid var(--line); border-radius: 8px; margin: 0.5rem 0; padding: 0.6rem 0.9rem; }
.ritem summary { cursor: pointer; display: flex; gap: 0.7rem; align-items: center; }
.ritem .pct { font-weight: 700; min-width: 3.2rem; text-align: right; font-variant-numeric: tabular-nums; }
.pct.s-good { color: var(--ok); } .pct.s-mid { color: var(--warn); } .pct.s-bad { color: var(--bad); }

/* ---------- rules ---------- */
.rules-wrap { display: grid; grid-template-columns: 230px 1fr; gap: 1.2rem; align-items: start; }
.rules-nav { display: flex; flex-direction: column; gap: 2px; position: sticky; top: 70px; }
.rules-nav button {
  text-align: left; background: none; border: none; font: inherit; font-size: 0.9rem;
  padding: 0.4rem 0.7rem; border-radius: 6px; cursor: pointer; color: #4c4b44;
}
.rules-nav button:hover { background: #efe9da; }
.rules-nav button.active { background: var(--navy); color: #f5f1e4; }
.rules-body { background: var(--paper); border: 1px solid var(--line); border-radius: 10px; padding: 1.2rem 1.5rem; }
.rules-body h3 { font-family: var(--serif); color: var(--crimson); margin-top: 0; }
.rules-body h4 { color: var(--navy); margin: 1.1rem 0 0.35rem; }
.rules-body .rr { color: var(--navy-soft); font-size: 0.82rem; font-weight: 700; background: #e9e3d2; padding: 0.05rem 0.45rem; border-radius: 4px; white-space: nowrap; }
.exline { font-family: var(--serif); font-size: 1.04rem; background: #f5f0e3; border-left: 3px solid var(--gold); padding: 0.5rem 0.8rem; margin: 0.45rem 0; border-radius: 0 6px 6px 0; }
.exline .xl { font-family: var(--sans); font-size: 0.7rem; font-weight: 700; color: #847e6c; text-transform: uppercase; letter-spacing: 0.07em; margin-right: 0.55rem; }
.trap { background: #fdf3f3; border-left: 3px solid var(--bad); padding: 0.45rem 0.8rem; margin: 0.45rem 0; font-size: 0.93rem; border-radius: 0 6px 6px 0; }
.trap b:first-child { color: var(--bad); }
.rules-body table.tbl { border-collapse: collapse; margin: 0.5rem 0; }
.rules-body table.tbl td, .rules-body table.tbl th { border: 1px solid var(--line); padding: 0.25rem 0.7rem; font-size: 0.92rem; }
.rules-body table.tbl th { background: #efe9da; text-align: left; }

/* ---------- stats ---------- */
.statgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 1rem; }
.statbox { background: var(--paper); border: 1px solid var(--line); border-radius: 10px; padding: 0.9rem 1.1rem; }
.statbox h4 { margin: 0 0 0.6rem; color: var(--navy); }
.bar { display: flex; align-items: center; gap: 0.6rem; margin: 0.3rem 0; font-size: 0.9rem; }
.bar .lbl { width: 130px; }
.bar .track { flex: 1; height: 10px; background: #ece5d3; border-radius: 5px; overflow: hidden; }
.bar .fill { height: 100%; background: var(--navy-soft); }
.bar .v { width: 52px; text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; }

/* ---------- sources ---------- */
.srcgroup h3 { font-family: var(--serif); color: var(--navy); border-bottom: 2px solid var(--line); padding-bottom: 0.25rem; margin: 1.4rem 0 0.6rem; }
.srcitem { background: var(--paper); border: 1px solid var(--line); border-radius: 8px; padding: 0.55rem 0.9rem; margin: 0.45rem 0; }
.srcitem .cite { font-family: var(--serif); font-size: 1.02rem; }
.srcitem .note { font-size: 0.85rem; color: #6b6a63; margin-top: 0.2rem; }
.badge {
  display: inline-block; font-size: 0.68rem; font-weight: 700; border-radius: 4px;
  padding: 0.08rem 0.5rem; letter-spacing: 0.05em; margin-left: 0.5rem; vertical-align: middle;
}
.badge.pd { background: #2e7d4f; color: #fff; }
.badge.unv { background: #b07818; color: #fff; }
.badge.fict { background: #b03434; color: #fff; }
.badge.styl { background: #5a5f9e; color: #fff; }

/* ---------- footer ---------- */
.foot {
  border-top: 1px solid var(--line); background: #f1ecdd; color: #6b6a63;
  font-size: 0.78rem; padding: 1rem 2rem 1.6rem; margin-top: 2rem;
}
.foot p { max-width: 1020px; margin: 0.6rem auto; }

@media (max-width: 760px) {
  .rules-wrap { grid-template-columns: 1fr; }
  .rules-nav { flex-direction: row; flex-wrap: wrap; position: static; }
  .style-toggle { margin-left: 0; }
  .packet td.k { width: 110px; }
}